Quantum-Si Incorporated Class A Share Price

Quantum-Si Incorporated Class A Share Price

QSI
$0.84
-$0.03 (-3.71%) Last updated on 20 Mar, 2026 | 20:08 IST
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Quantum-Si Incorporated Class A Stock Performance

Open
$0.85
Prev. Close
$0.87
Circuit Range
N/A
Day Range
$0.84 - $0.85
Year Range
$0.84 - $3.09
Volume
2,105
Average Traded
$0.85

Quantum-Si Incorporated Class A Share Price Chart

$0.84
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About Quantum-Si Incorporated Class A

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument. It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results. Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.

Quantum-Si Incorporated Class A Historical Data

DayOpenCloseChange %
18-Mar-26
$0.93
$0.89
-4.50%
17-Mar-26
$0.94
$0.93
-1.37%
16-Mar-26
$0.97
$0.95
-0.21%
13-Mar-26
$0.98
$0.95
-3.16%
12-Mar-26
$1.01
$0.98
-6.22%
11-Mar-26
$1.04
$1.04
+0.97%
10-Mar-26
$0.97
$1.03
+12.13%

FAQs on Quantum-Si Incorporated Class A Share Price

Can I buy Quantum-Si Incorporated Class A shares in India?

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Yes. You can buy Quantum-Si Incorporated Class A in India by opening an international trading account.

What is the share price of Quantum-Si Incorporated Class A?

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As on 21 Mar '26, the share price of Quantum-Si Incorporated Class A QSI is $0.84. If you are investing from India, it is a good idea to check the current exchange rate and calculate the value in rupees before making your investment.

What is the 5 year returns of Quantum-Si Incorporated Class A?

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The 5 year returns of Quantum-Si Incorporated Class A is -92.94% as on 21 Mar '26.

What are the high & low stock price of Quantum-Si Incorporated Class A today?

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Quantum-Si Incorporated Class A stock price hit a high of $0.85 and low of $0.84 as on 21 Mar '26.

What is the 52-week high and low of Quantum-Si Incorporated Class A stock?

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The 52-week high of Quantum-Si Incorporated Class A stock is $3.09, while the 52-week low is $0.84 as on 21 Mar '26.